Plasdent.

Bur Sterilization Tray 2-5/8" H x 3".

Is specially designed for cold sterilization
of carbide and diamond burs. The tray is
constructed of high impact plastic that is
compatible with all sterilant and disinfectant
solutions and instruments. A small opening
in the lid allows you to drop in rotary and endodontic instruments
without removing the lid.